1999 GMC Sierra

1999 GMC SIERRA
200,000 MILES • V8 • 2WD • AUTOMATIC
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RBMOBILE
  • MEMBER
  • 1 POST
After Driving to work I parked my truck and at the end of the day my truck would crank but not star. I think my fuel pump gave up but I was also having previous problems with my oil pressure. I don't kno if it is my oil pump or my fuel pump.
Mar 23, 2010 at 4:34 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Were you hearing any knocking to ticking from the engine when the oil pressure dropped?

Let me know. Also, I recommend checking fuel pump pressure. Here is a how to:

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Let me know what you find.

Joe
Apr 3, 2010 at 9:00 AM
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